18501420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 192

約数和(自身を含む): 64512000

約数和(自身を除く): 46010580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 31, 35, 42, 49, 58, 60, 62, 70, 84, 87, 93, 98, 105, 116, 124, 140, 145, 147, 155, 174, 186, 196, 203, 210, 217, 245, 290, 294, 310, 343, 348, 372, 406, 420, 434, 435, 465, 490, 580, 588, 609, 620, 651, 686, 735, 812, 868, 870, 899, 930, 980, 1015, 1029, 1085, 1218, 1302, 1372, 1421, 1470, 1519, 1715, 1740, 1798, 1860, 2030, 2058, 2170, 2436, 2604, 2697, 2842, 2940, 3038, 3045, 3255, 3430, 3596, 4060, 4116, 4263, 4340, 4495, 4557, 5145, 5394, 5684, 6076, 6090, 6293, 6510, 6860, 7105, 7595, 8526, 8990, 9114, 9947, 10290, 10633, 10788, 12180, 12586, 13020, 13485, 14210, 15190, 17052, 17980, 18228, 18879, 19894, 20580, 21266, 21315, 22785, 25172, 26970, 28420, 29841, 30380, 31465, 31899, 37758, 39788, 42532, 42630, 44051, 45570, 49735, 53165, 53940, 59682, 62930, 63798, 75516, 85260, 88102, 91140, 94395, 99470, 106330, 119364, 125860, 127596, 132153, 149205, 159495, 176204, 188790, 198940, 212660, 220255, 264306, 298410, 308357, 318990, 377580, 440510, 528612, 596820, 616714, 637980, 660765, 881020, 925071, 1233428, 1321530, 1541785, 1850142, 2643060, 3083570, 3700284, 4625355, 6167140, 9250710, 18501420]

約数ペア:

[(1, 18501420), (2, 9250710), (3, 6167140), (4, 4625355), (5, 3700284), (6, 3083570), (7, 2643060), (10, 1850142), (12, 1541785), (14, 1321530), (15, 1233428), (20, 925071), (21, 881020), (28, 660765), (29, 637980), (30, 616714), (31, 596820), (35, 528612), (42, 440510), (49, 377580), (58, 318990), (60, 308357), (62, 298410), (70, 264306), (84, 220255), (87, 212660), (93, 198940), (98, 188790), (105, 176204), (116, 159495), (124, 149205), (140, 132153), (145, 127596), (147, 125860), (155, 119364), (174, 106330), (186, 99470), (196, 94395), (203, 91140), (210, 88102), (217, 85260), (245, 75516), (290, 63798), (294, 62930), (310, 59682), (343, 53940), (348, 53165), (372, 49735), (406, 45570), (420, 44051), (434, 42630), (435, 42532), (465, 39788), (490, 37758), (580, 31899), (588, 31465), (609, 30380), (620, 29841), (651, 28420), (686, 26970), (735, 25172), (812, 22785), (868, 21315), (870, 21266), (899, 20580), (930, 19894), (980, 18879), (1015, 18228), (1029, 17980), (1085, 17052), (1218, 15190), (1302, 14210), (1372, 13485), (1421, 13020), (1470, 12586), (1519, 12180), (1715, 10788), (1740, 10633), (1798, 10290), (1860, 9947), (2030, 9114), (2058, 8990), (2170, 8526), (2436, 7595), (2604, 7105), (2697, 6860), (2842, 6510), (2940, 6293), (3038, 6090), (3045, 6076), (3255, 5684), (3430, 5394), (3596, 5145), (4060, 4557), (4116, 4495), (4263, 4340)]